@mixin btn() {
  box-sizing: border-box;
  padding: 0 10px;
  height: 30px;
  line-height: 30px;
  border-radius: 10px;
  text-align: center;
  font-size: 16px;
  color: white;
  background-color: #3eb3e5;
  transition: 0.5s;
  //box-shadow: 2px 2px 5px #aaa;
  cursor: pointer;
  &:hover {
    transition: 0.5s;
    background-color: #2997c8;
  }
}

@mixin btn_add() {
  @include btn();
  background-color: #3eb3e5;
  &:hover {
    background-color: #2997c8;
  }
}

@mixin btn_detail() {
  @include btn();
  background-color: #68dd36;
  cursor: pointer;
  &:hover {
    background-color: #5dc62f;
  }
}

@mixin btn_delete() {
  @include btn();
  background-color: #e35555;
  cursor: pointer;
  &:hover {
    background-color: #cf5449;
  }
}

@mixin btn_back() {
  @include btn();
  background-color: #919191;
  cursor: pointer;
  &:hover {
    background-color: #646464;
  }
}
